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Q40.8

Q40.8: Other specified congenital malformations of upper alimentary tract

Billable / specific codeICD-10-CMPOA exempt

Q40.8 is a billable, specific ICD-10-CM code for other specified congenital malformations of upper alimentary tract. It is valid for submission on a claim.

Check Q40.8 with the rest of the claim: free scrubber

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Absence›alimentary tract›upper
  • Absence›digestive organ or tract, congenital›upper
  • Agenesis›alimentary tract NEC›upper
  • Agenesis›digestive organ NEC›upper
  • Atresia, atretic›alimentary organ or tract NEC›upper
  • Hypoplasia, hypoplastic›alimentary tract, congenital›upper
  • Hypoplasia, hypoplastic›digestive organ or tract NEC›upper(congenital)
  • Patulous›alimentary tract›upper
  • Imperfect›closure›alimentary tract NEC›upper
  • Malformation›alimentary tract›upper›specified type NEC
  • Malposition›congenital›alimentary tract›upper
  • Malposition›congenital›digestive organ or tract NEC›upper

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q40

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.